dd command to migrate VPS on linux platform.
First create new vps with same configuration on another node. It doesn't matter new vps is having os or not or you can choose any OS.
Once same configuration VPS setup done then use below command to migrate VPS.
dd if=/dev/guestos/kvm2351_img | ssh 10.10.10.10 "dd of=/dev/guestos/kvm2520_img"
Once migration is completed then try starting VPS on new node.